Air shaft is also called air expanding shaft or inflatable shaft, it is widely used for paper manufacturing, printing machine, slitting machine, rewinding machine and other machinery. Usually, it is used with magnetic powder clutch & brake, chucks, web guiding system and rollers together, so that's why we put these items together in a website and product range.

Over the last 12 years, PRE has provided outstanding products and after-service to thousands of enterprises. Benefit from excellent quality & service, overseas customers are satisfied with us.

Gearbox is used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, plastics, rubber industry, and is the preferred and matched product for automatic machine.

Factory's workroom occupied more than 25, 000 square meters, had more than 500 workers and more than 200 sets of advanced equipments, Including United States"HAAS" processing center, Japanese "ARMANI" hobbing machine, Germany thread grinder, Japanese Comprehensive Gear Test Miriam, Ningxia Little Giant CNC machine(Sino Japanese Joint Venture), QinChuan Grinding and other equipments.

We offer a complete parts for all of your converting machines. PRE insist on aiming to provide a superior quality at a reasonable price with considerate service to our clients, while maintaining the highest professional standards!